The Pulse

NPR

Go on an adventure into unexpected corners of the health and science world each week with award-winning host Maiken Scott. The Pulse takes you behind the doors of operating rooms, into the lab with some of the world's foremost scientists, and back in time to explore life-changing innovations. The Pulse delivers stories in ways that matter to you, and answers questions you never knew you had.

  • 48 minutes 49 seconds
    The Threats Facing Trees — and How to Save Them
    We not only love trees for their beauty — we need them for our survival. But around the world, some trees, and even entire forests, are facing numerous existential threats. On this episode, we explore why we need trees, the dangers they face, and new efforts to help them survive and thrive.

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    15 November 2024, 8:00 am
  • 48 minutes 51 seconds
    Biomimicry: What Nature Can Teach us about Engineering and Design
    How does nature make durable materials like corals and seashells without a heat or a kiln? How do peacock feathers get their beautiful colors? Scientists are trying to understand these processes and to replicate them for sustainable human products and design. The field of biomimicry is growing. We'll explore its origins and hear about some of the latest innovations.

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    8 November 2024, 8:00 am
  • 48 minutes 58 seconds
    What Makes Our Circadian Clocks Tick
    Circadian rhythms affect more than our sleep — they can shape all aspects of our health, and are in turn shaped by the rhythms of our lives. We explore the intricate mechanics of our internal clocks, and how they affect our health.

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    1 November 2024, 7:00 am
  • 50 minutes 44 seconds
    How Politics Are Changing Health and Science
    With a contested presidential election looming, we explore what's at stake for health and science, from fertility medicine to cyber security with voting machines, and efforts by scientists to protect themselves from political influence.

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    25 October 2024, 7:00 am
  • 48 minutes
    Thrills & Chills: The Psychology of Fear
    It's that time of year when we celebrate something we usually hate: fear. We visit haunted houses and corn mazes or binge-watch the scariest horror movies. In its most primitive form, fear is about survival — so we can face or escape serious threats. In other settings — where there's no danger — fear can feel exhilarating or fun. On this episode, we explore our complicated relationship with fear.

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    18 October 2024, 7:00 am
  • 48 minutes 59 seconds
    All the Rage
    Your face flushes hot, maybe your fists clench, your heartbeat speeds up and your blood pressure rises. It's rage and it can go from zero to red-hot in seconds. It's normal to feel angry when you or somebody else has been wronged, mistreated, or hurt. But even justified rage can become destructive. How do we handle these fiery emotions when they erupt?

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    11 October 2024, 7:00 am
  • 49 minutes 4 seconds
    When Law Enforcement and Health Care Meet
    Police generally aren't trained to deal with mental health crises — and yet they constantly find themselves called to intervene in these challenging situations, sometimes leading to disastrous results. On this episode, we explore efforts to change how law enforcement and health care work together.

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    4 October 2024, 7:00 am
  • 48 minutes 49 seconds
    When Every Second Counts: Advances in Cardiac Care
    Every second counts when it comes to treating patients in cardiac arrest — which is why researchers and health care professionals are working constantly to find faster and better ways of delivering care. We hear about some of the latest advancements, from a new generation of networked AEDs to high- and low-tech innovations in treating heart disease.

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    27 September 2024, 7:00 am
  • 48 minutes 54 seconds
    Navigating Autism in School
    What's the best educational setting for my child to learn and grow? It's a question many parents contemplate, but it's an especially difficult question for parents of autistic kids. We explore the often unseen challenges these kids face at school, the battles parents face advocating for change, and what experts say could actually make a difference.

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    20 September 2024, 9:59 am
  • 48 minutes 44 seconds
    What It Takes to Treat Serious Mental Illness
    We explore what it takes to recover from serious mental illness, with stories about how a patient's decades-long relationship with his psychiatrist helped him overcome severe depression, how a new crisis response program balances safety with providing help to those experiencing mental health emergencies, and how Patrick Kennedy went from politician to mental health advocate.

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    13 September 2024, 7:00 am
  • 50 minutes 19 seconds
    The Healing Power of Music
    You've heard that music is the language of the soul — but could it also be a treatment for the body? On this episode, we explore some of the latest science on the healing power of our favorite tunes, from how they affect our brains, to why they improve our workouts, to the promise they show in treating illnesses like epilepsy and Parkinson's.

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    6 September 2024, 7:00 am
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